<div class="body" >
  <mat-card appearance="outlined">
    <mat-card-content>
         <!-- 标题 -->
    <h5>设置</h5> 
    <!-- <mat-accordion>
        <mat-expansion-panel>
          <mat-expansion-panel-header>
            <mat-panel-title>
              主题
            </mat-panel-title>
            <mat-panel-description>
              改变主题风格
            </mat-panel-description>
          </mat-expansion-panel-header>
          <p>This is the primary content of the panel.</p>
        </mat-expansion-panel> 
    </mat-accordion>
    <mat-accordion>
        <mat-expansion-panel>
          <mat-expansion-panel-header>
            <mat-panel-title>
                字体
            </mat-panel-title>
            <mat-panel-description>
              改变字体样式
            </mat-panel-description>
          </mat-expansion-panel-header>
          <p>This is the primary content of the panel.</p>
        </mat-expansion-panel> 
    </mat-accordion> -->
    <mat-accordion>
        <span>自动换行</span>
        <span class="spacer" ></span>
        <mat-slide-toggle  [(ngModel)]="autoWrapStatus" (change)="changeAutoWrap()"></mat-slide-toggle>
    </mat-accordion> 
    </mat-card-content>
  </mat-card>
 
</div>